CVE-2026-102581
Last modified
CVE-2026-102581 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 4.5.13 |
| Moodle | Moodle | >= 5.0.0, < 5.0.9 |
| Moodle | Moodle | >= 5.1.0, < 5.1.6 |
| Moodle | Moodle | >= 5.2.0, < 5.2.2 |
References
- https://access.redhat.com/security/cve/CVE-2026-102581Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2543634Issue Tracking, Third Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=482499Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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